BT25Y钛合金拉伸强度的当量计算

金属学报, 2004, 40(2): 155-158.

BT25Y钛合金拉伸强度的当量计算

杨卫国 , 王青江 , 张彩碚 , 刘羽寅

1.1) 东北大学理学院

2. 2) 中国科学院金属研究所

沈阳 110016

1.1) Science Department

Northeastern University

Shenyang 110006

2. 2) Institute of Metal Research

The Chinese Academy of Sciences

Shenyang 110016

关键词： BT25Y钛合金 , strength , equivalent formula

Evaluation of Tensile Strength of BT25Y Titanium Alloy in Terms of Equivalents

YANG Weiguo , WANG Qingjiang , ZHANG Caibei , LIU Yuyin

Keywords： BT25Y titanium alloy , 强度 , 当量公式

测试了BT25Y钛合金中不同Al, W, Mo含量双态组织的室温和高温拉伸强度, 在此基础上, 参照Kolachev等人的公式, 给出了高温条件下抗拉强度和屈服强度的当量计算公式. 该公式也适用于魏氏组织BT25Y钛合金.

The tensile strengths of the duplex microstructural BT25Y titanium alloys with different contents of Al, W, and Mo have been measured at room and high temperatures. According to Kolachev' formula, the equivalent formulae of yield strength and ultimate tensile strength were derived with the experimental results. The calculated strengths from these equivalent formulae also accord with the experimental values of BT25Y titanium alloys with widmanstatten microstructure at variant temperatures.

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